GB9624035D0 - Infrared measuring gauge - Google Patents

Infrared measuring gauge

Info

Publication number
GB9624035D0
GB9624035D0 GBGB9624035.3A GB9624035A GB9624035D0 GB 9624035 D0 GB9624035 D0 GB 9624035D0 GB 9624035 A GB9624035 A GB 9624035A GB 9624035 D0 GB9624035 D0 GB 9624035D0
Authority
GB
United Kingdom
Prior art keywords
measuring gauge
infrared measuring
infrared
gauge
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GBGB9624035.3A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NDC Technologies Ltd
Original Assignee
Infrared Engineering Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Infrared Engineering Ltd filed Critical Infrared Engineering Ltd
Priority to GBGB9624035.3A priority Critical patent/GB9624035D0/en
Publication of GB9624035D0 publication Critical patent/GB9624035D0/en
Priority to US09/308,412 priority patent/US6281498B1/en
Priority to EP97912387A priority patent/EP0939896B1/en
Priority to PCT/GB1997/003176 priority patent/WO1998022806A1/en
Priority to DE69715030T priority patent/DE69715030T2/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G01N21/3559—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content in sheets, e.g. in paper

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GBGB9624035.3A 1996-11-19 1996-11-19 Infrared measuring gauge Pending GB9624035D0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GBGB9624035.3A GB9624035D0 (en) 1996-11-19 1996-11-19 Infrared measuring gauge
US09/308,412 US6281498B1 (en) 1996-11-19 1997-11-19 Infrared measuring gauges
EP97912387A EP0939896B1 (en) 1996-11-19 1997-11-19 Infrared measuring gauges
PCT/GB1997/003176 WO1998022806A1 (en) 1996-11-19 1997-11-19 Infrared measuring gauges
DE69715030T DE69715030T2 (en) 1996-11-19 1997-11-19 INFRARED MEASURING DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9624035.3A GB9624035D0 (en) 1996-11-19 1996-11-19 Infrared measuring gauge

Publications (1)

Publication Number Publication Date
GB9624035D0 true GB9624035D0 (en) 1997-01-08

Family

ID=10803170

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9624035.3A Pending GB9624035D0 (en) 1996-11-19 1996-11-19 Infrared measuring gauge

Country Status (5)

Country Link
US (1) US6281498B1 (en)
EP (1) EP0939896B1 (en)
DE (1) DE69715030T2 (en)
GB (1) GB9624035D0 (en)
WO (1) WO1998022806A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9802473D0 (en) 1998-02-06 1998-04-01 British Gas Plc Method and apparatus to detect the presence of water on a surface
GB2334097C (en) * 1998-02-06 2005-09-14 British Gas Plc Method and apparatus to detect the presence of water on a surface
DE60025085T2 (en) * 1999-02-04 2006-06-29 Matsushita Electric Industrial Co., Ltd., Kadoma DETECTOR FOR A PRINTING OBJECT AND PRINTING DETECTION METHOD
KR20020095186A (en) * 2000-03-02 2002-12-20 엔디씨 인프라레드 엔지니어링 리미티드 Electromagnetic detection apparatus
JP2002245511A (en) * 2001-02-15 2002-08-30 Hitachi Ltd Method of discriminating paper quality
US6744516B2 (en) * 2001-08-21 2004-06-01 Spx Corporation Optical path structure for open path emissions sensing
GB2379976B (en) * 2001-09-20 2005-02-02 Ndc Infrared Eng Ltd Optical sampling window
US8223206B2 (en) 2008-10-15 2012-07-17 Flir Systems, Inc. Infrared camera filter wheel systems and methods
US8569697B2 (en) * 2009-09-30 2013-10-29 Sharp Kabushiki Kaisha Liquid crystal panel, liquid crystal display device, and method for inspecting sealing resin
SG183800A1 (en) * 2010-03-18 2012-10-30 Cameron Int Corp Control and supply unit
WO2012127615A1 (en) * 2011-03-22 2012-09-27 日本たばこ産業株式会社 Method for measuring filling capacity
FI125721B (en) * 2012-05-25 2016-01-29 Valmet Automation Oy Apparatus and method for measuring an object comprising cellulosic material and at least one dye including printing ink
FI125514B (en) * 2012-05-25 2015-11-13 Valmet Automation Oy Apparatus and method for measuring a web containing cellulose and optionally lignin
US20170261427A1 (en) * 2016-03-14 2017-09-14 Analog Devices, Inc. Optical measurements of chemical content
US11209358B2 (en) 2016-03-14 2021-12-28 Analog Devices, Inc. Blocking specular reflections
FR3050824B1 (en) * 2016-04-27 2023-04-28 Connected Physics METHOD AND APPARATUS FOR MEASURING WATER CONCENTRATION IN A LIGHT DIFFUSING MATERIAL.
CN114270176A (en) * 2019-09-11 2022-04-01 松下知识产权经营株式会社 Moisture sensing device
CN111157478A (en) * 2020-01-13 2020-05-15 西北工业大学 Spectrum type infrared imaging monitoring device and method for SF6 gas leakage
US11649721B2 (en) * 2020-06-23 2023-05-16 Saudi Arabian Oil Company Hydrocarbon evaluation systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551678A (en) * 1967-02-13 1970-12-29 Sybron Corp Paper parameter measurement using infrared radiation
US4006358A (en) * 1975-06-12 1977-02-01 Measurex Corporation Method and apparatus for measuring the amount of moisture that is associated with a web of moving material
US4260262A (en) * 1978-11-28 1981-04-07 Neotec Corporation Grain quality analyzer
US4310763A (en) * 1979-10-15 1982-01-12 John Shields Electro-optical analyzer for measuring percentage by weight of fat, protein and lactose in milk
US4300049A (en) * 1980-02-27 1981-11-10 Accuray Corporation Dynamically standardized radiant energy method and apparatus for plural channel gain independent material property measurement
US4577104A (en) * 1984-01-20 1986-03-18 Accuray Corporation Measuring the percentage or fractional moisture content of paper having a variable infrared radiation scattering characteristic and containing a variable amount of a broadband infrared radiation absorber
US4823008A (en) 1987-11-05 1989-04-18 Process Automation Business, Inc. Apparatus and methods employing infrared absorption means to measure the moisture content of heavy grades of paper
JPH0648244B2 (en) 1988-10-25 1994-06-22 横河電機株式会社 Infrared moisture meter that reduces the effect of basis weight
DK165391D0 (en) * 1991-09-27 1991-09-27 Foss Electric As IR measurement system
US5250811A (en) * 1991-12-20 1993-10-05 Eastman Kodak Company Method for determining compositional information of a multilayer web

Also Published As

Publication number Publication date
DE69715030D1 (en) 2002-10-02
DE69715030T2 (en) 2002-12-19
EP0939896A1 (en) 1999-09-08
EP0939896B1 (en) 2002-08-28
WO1998022806A1 (en) 1998-05-28
US6281498B1 (en) 2001-08-28

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